batjmann



(MedeL) 4 Sheets-Sheet 1.

R. BAUMANN.

COMBINATION LOOK AND ALARM.

N0. 438,049. Patented 0013.7,1890.

WITNESSES:

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(Mode1.) 4 SheetsSheet 2. R. BAUMANN.

COMBINATION LOOK AND ALARM.

No. 438,049. Patented O0t.'7,1890.

/N VEN TOR J A TTOHNE YS (ModeL) 4 Sheets-Sheet 3. R. BAUMANN. COMBINATION LOCK AND ALARM. No. 438,049. Patented Oct. 7, 1890.

E z o 5% K 16 O F -2 fl Z 12 I e I /N VENTOR K W 3 E ATTORNEYS UNITED STATES PATENT OFFICE.

ROBERT BAUMANN, OF ST. LOUIS, MISSOURI, ASSIGNOR TO THE BAUMANN LOCK AND ALARM COMPANY, OF SAME PLACE.

COMBINATION-LOCK AND ALARM.

SPECIFICATION forming part of Letters Patent No. 438,049, dated October '7, 1890.

Application filed Decem r 20,1889. Serial No. 334,353. (Model) To all whom, it may concern:

Be it known that I, ROBERT BAUMANN, of

St. Louis, in the State of Missouri, have invented a new and Improved Combination- 5 Lock and Alarm, of which the following is a full, clear, and exact description.

The invention relates to combination-locks and alarn1s,such as shown and described in Letters Patent No. 378,5 68, granted tome February 28, 1888.

The object of the present invention is to provide a new and improved combinationlock and electric alarm which is simple and durable in construction, very effective in operation, and adapted for doors, money-drawers, 8:0.

The invention consists of certain parts and details and combinations of the same, as will be described hereinafter, and then pointed out in the claims.

Referenceis to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is an outside View of the improvement as applied to the door. Fig. 2 is an inner view of the same. Fig. 3 is a sectional side elevation of the same on the line a a: of Fig. 4. Fig. l is a sectional plan view of the same on theline y y of Fig. 3. Fig. 5 is a sectional side elevation of the same on the line 2 a of Fig. 4. Fig. 6 is a plan View of the same on the line to w of Fig. 5. Fig. 7 is a face view of the spring-pressed slides. Fig. 8 is a sectional plan view of the improvement on the line it "uof Fig. 5. Fig. 9 is a transverse section of the same on the line i: o of Fig. 8, and Fig. 10 is a transverse section of the easing on the line if L of Fig. 8.

Theim proved combinationlock and electric alarm is provided with a main casing A, set in a mortise in the door 13, on the outside and inside of which are secured the plates 0 and D, respectively. In the casing A and in part of the door B is mounted the horizontal shaft E, adapted to turn and to slide and provided on its outer end with a disk F, mounted to turn in a recess 0, formed on the outer plate 0, as is plainly shown in Fig. 4. The disk F is provided on its front face with a knob F for conveniently turning the said disk and its shaft E from the outside of the door B. The disk F is also provided on its front face with acircular bevel, on which is formed a graduation F comprising lines and numerals, 5 5 preferably from 1 to 100, one of the said lines and its corresponding numeral being adapted to register at a time with a fixed line C on the front face of the plate 0, as is illustrated in Fig. 1, in which the line and numeral 50 6o register with the fixed line O Near the inner end of the shaft E is secured a disk G, provided with a series of transverse apertures G, arranged in a circle on the said disk, as is plainly shown in Fig. 3. The num her of apertures G corresponds with the number of lines and numerals on the graduation of the disk F, and the said apertures are adapted to be engaged one at a time by a fixed pin II, secured on the inside of the inner casing A. (See Figs. 5 and 8.)

On the hub G of the disk G is formed an inverted-V-shaped annular flange G adapted to be engaged by the similarly-shaped semicircular inner ends of the two slides I and I, arranged to slide in opposite directions in a guide 1 secured to the inside of the casing A, as is plainly shown in Figs. 4, 5, and 7. The spring 1 held on the said guide 1 presses with its ends onto the outer ends of the slides I and I, so as to press the same inward in contact with either the front or the rear of the said V-shaped annular flange G according to the inner or outer position of the shaft E. The slides I and 1 permit a free turning of the shaft E and its disk G, and also hold the shaft in an innermost or outermost position, for the purpose hereinafter more fully described.

On the periphery of the disk G is mounted to turn loosely the ring J, on the rear face of which are secured the springs J and J each supporting on its free end a pin J engaging one of the apertures G in the disk G. By this means the ring J is locked to the disk G 5 and rotates with the same until it is desirable to change the combination, when the ring J is locked in place in the manner hereinafter more fully described, so that the pins J pass out of the apertures G and glide over the disk G when the latter is turned. In the ring J screws a pin J projecting from the front of the said ring and adapted to register with and to abut against a vertically-extending'arm L of the locking-lever L, secured on a shaft K, mounted to turn in suitable bearings on the inside of the casing A. The locking-lever L is mounted to swing horizontally, the shaft K being the pivot, and is adapted to engage, by means of its end L opposite the arm L, with a shoulder N, formed on the locking-bolt N, mounted to slide in the casing A and adapted to engage the keeper 0 in the jamb O of the door. (See Figs. 5 and 6.)

In the normal positions of the shoulder and end L there is an intervening space N A spring P, secured on the casing A, presses with oneend P against the inner end of the locking-bolt N, so as to hold the same normally in an outermost position. On the face of the locking-bolt N are secured or formed the two lugs N and N between which operates the arm Q of a bell-crank lever Q, pivoted in the casing A, and provided on its other arm Q with a wedge Q adapted to engage a lug L on the arm L of the lockinglever L, so as to hold the lever slightly removed from the bolt N, (see Figs. 5 and 6,) so as not to sound the electric alarm, as hereinafter described. The locking-lever L is also provided with a downwardly-projecting arm L provided with an insulation L adapted to press on a contacting-spring R, secured at its upper end on an insulated'plate R, secured on the casin g, and projecting slightly through the end plate of the said casing. A spring-pressed pin and plungerS is arranged opposite the projecting end of the plate R and mounted to slide horizontally in an insulated guide T, secured to the inside of the keeper 0 in the jamb O of the door. The springR is bent upon itself at its free end R as is plainly shown in Fig. 10, and this end- It is adapted to be pressed in contact with an insulated plate R secured on the inside of the casing A and projecting through the end plate of the latter in a similar manner to the plate R. The plate R is adapted to be engaged by a spring-pressed plunger S", held to slide in a guide or keeper T, secured to the keeper 0, and insulated from the same and the guide or keeper T by suitable means.

The keepers Tand T are connected with the Wires of an electric alarm of any approved construction.

When the door B is closed, the insulated plates R and R are moved in contact with the spring-pressed'plungersS and S but the electric circuit remains open as long as the spring R, secured on the plate R, is not pressed with its end R in contact with the plate B. When the locking-lever L, however, is swung inward, so that its arm L presses with its insulation- L the free end of the spring R, then the latter makes with the bent end It a contact with the plate R thus c1osing the circuit and sounding the alarm.

The shaft K, carrying the locking-lever L, is provided on its upper end with an arm K, on which presses the end P of the main spring P, so as to press the front end L of the lever L toward the bolt N.

In the periphery of the ring J are arranged the two notches J 5 and J (see Fig. 3,) placed a distance apart corresponding to the distance between ten successive apertures G in the disk G. The notches J 5 and J 6 are adapted to be alternately engaged byalug U, formed on a lever U, secured on a shaft U extending transversely and mounted to turn in suitable bearings in the inner plate D. The inner end of the shaft U is provided with a knob U which serves for conveniently turning the shaft U so as to move the said lever U, whereby the latter is swung toward the ring J to permit its lug U to engage one of the notches J or J in the ring J provided the latter is in the proper place, as hereinafter more fully described.

A screw-rod V screws into the inner plate D and passes through part of the door B into the casing A opposite the arm K on the shaft K. On the outer end of the screw-rod V is held a knob V for conveniently turning the said screw-rod, so as to screw the latter up against the arm K to spring the latter outward, so as to turn the shaft K to move the end L of the lever L away from the lockingbolt N, whereby the latter becomes free to be moved forward and backward in the usual manner by a tumbler W, secured on the tumbler-sha'ftW, extending transverselythrough the casing A, the door B, and the plates 0 and D, to carry on its outer ends the outer and inner door-knobs W and W i In order to set the look so that the bolt N can be freely moved by turning either of the knobs W or VV the operator moves the combination number (say 50 under the line C and then pulls the knob F so that the pin J which now stands opposite the arm L, presses the latter inward to swing the end L of the lever away from and out of line with the shoulder N of the bolt N, so that the latter is free to be moved by the tumbler W. At the same time the disk G is locked in place by engaging with one of its apertures G the fixed pin H. When the shaft E is in its inend L of the lever L stands removed the space 'N from the shoulder N of the bolt N, so that when either of the knobs'W or W is turned the tumbler W moves the bolt inward a shortdistance, so that the bell-crank lever Q is operated by the said bolt and its wedge swings free of the .lug L of the lever L, whereby the latter swings by the action of the spring-arm P on the arm K of the shaft K, carrying the said lever L. Now this movement of the lever L moves the end L still more into engagement with the shoulder N .of the bolt N to lock the latter in place. At the same time the arm L presses on the spring R, and the latters bent end R is moved in con tact with the plate R and the electric circuit is thereby closed, thus sounding an alarm. \Vhen it is desirable to unlock the door by a party knowing the combination, the knob F is turned until the respective numeral registers with the fixed line 0 and then the knob F is pulled outward, so that the fixed pin H engages the opposite aperture G of the disk G, and the latter, as well as the ring J, are locked in place. The outward motion of the shaft E, disk G, and ring J causes the pin J to press on the arm L of the lever L, so that the latter swings with its end L free of the shoulder N of the bolt N, and the latter can now be moved inwardly on turning the knob V The door is then unlocked and can be swung open. After the party has entered through the doorhe pushes the knob F to move the shaft E, disk G, and ring J inward to disengage the disk G from the fixed pin H and to move the pin J away from the arm L. The operator then turns the knob F to move the pin J away from the position opposite the arm L and to bring another numeral to register with the fixed line 0 \Vhen the door is now closed, the bolt N, which is pressed outward by its spring P, engages the keeper 0, and when either of the knobs V or V is turned the end L of the lever L engages the shoulder N of the bolt N, as above described. It is understood that the bell-crank lever Q serves to hold the lever L in such position that the arm L of the latter does not move the spring R in contact with the plate R until somebody tampers with the lock by turning either the knob or the knob when the contact is made and the alarm sounded, as above described. To lock the door from the inside, the operator first opens the door, throws the combination off, and then turns the serew-rod V to move the arm K of the shaft K, so that the lever L is free of the bolt N. The door is then closed and the screw-rod V turned in the opposite direction to disengage the arm K, so that the spring-arm I now presses on the arm K to turn the shaft K to throw the end L of the lever in engagement with the shoulder N of the bolt N. To unlock again from the inside, the screw-rod V is turned to swing the lever end L out of line with the shoulder N of the bolt N. The knob IV is then turned to move the bolt end inward out of engagement with the keeper 0. In order to make a deadlock from the inside, the operator before closing the door subtracts ten from the combina tion number, and sets this number opposite the fixed line C by turning the knob F. For instance, if the combination number is 50 the numeral 40 is moved to line 0 Then the knob U is turned to swing the leverU to the left, whereby the lug U engages the notch J in the ring J, whereby the latter is locked in place, the pin J standing to the left of the arm L of the lever L the distance between ten apertures G of the disk G. It is understood that this is in consequence of the distance between the notches J and J being equal to the distance between ten apertures G of the disk G, as described. The operator then screws the screw-rod V inward to throw the lever L out of contact with the bolt N to permit of closing the door, which latter is then closed, and the screw-rod V is screwed back again to permit the lever L to engage and lock the bolt N, as above described. To again unlock the door from the inside, the screw-rod V is screwed inward to disengage the lever L from the bolt N. Then the knob U is turned to shift the bolt N, and the door is then swung open. The knob U is then turned to the left to swing the lever U to the right, so that thelatter disengages with its lug U the notch J of the ring J. The combination is then set again and the knob F pulled outward to place the lock in an open position. In case the knob F is turned by some unauthorized person during the time it was locked from the inside, then the combination is changed as the disk G is turned with the knob F, and in order to again find the correct combination the screw -rod V is screwed inward to open the door, as above described. Then turn knob F to move the numeral 40 under line 0 Then turn knob U to the left to disengage the lug U from the notch J in ring J. Then the combination is set again to 50 and the knob F pulled to lock the disk G on the pin II to permit of freely opening the look by turning one of the knobs WV or Having thus fullydescribed my invention, I claim as new and desire to secure by Letters Patent 1. In a combination-lock and alarm, the combination, with a shaft mounted to turn and to slide, of an apertured disk secured on the said shaft, a ring held to turn loosely on the said disk, and a spring-pressed pin or pins held on the said ring and adapted to engage one of the apertures in the said disk, substantially as shown and described.

2. In a combination-lock and alarm, the combination, with a shaft mounted to turn and to slide, of an apertured disk secured on the said shaft, a ring held to turn loosely on the periphery of the said disk, a springpressed pin or pins held on the said ring and adapted to engage one of the apertures in'the said disk, and a lever adapted to be operated from the inside of the door and provided with a lug adapted to engage a notch in the periphery of the said ring to lock the latter in place while the disk is set, substantially as shown and described.

3. In a combination-lock and alarm, the combination, with a shaft mounted to turn and to slide, and a disk having a graduation secured on the said shaft on the outside of the door, of a second apertured disk secured on the said shaft, a ring held loosely on the said second disk, a spring-pressed pin or pins held on the said. ring and adapted to engage IIC a pin adapted to press on the other end of the one of the apertures in the said second disk, and a lever adapted to be operated from the inside of the door and provided with a lug to engage a notch in the said ring to lock the latter in place while the said disks are set, 1

ing a pin, and a locking-lever adapted to be engaged at one end by the said pin, substantially as shown and described.

'5. In a combination-lock and alarm, the

combination, with a locking-bolt and knobs for operating the same, of a locking-lever adapted to engage with one end the said bolt to lock it in place, and a bell-crank lever operated by said locking-bolt and provided with a wedge adapted to engage a lug on the said lever, substantially as shown and described.

6. In a combination-lock and alarm, the combination, with a locking-bolt, of a lockinglever adapted to lock with one end the said bolt in place, and a disk carrying a ring having a pin adapted to press on the other end of the said locking-lever to disengage the latter from the locking-bolt, substantially as shown and described.

7. In a combination-lock and alarm, the;

combination, with a locking-bolt and means for operating the same, of a locking-lever adapted to engage with one end the said locking-bolt to lock the same in place, a bell-crank lever actuated by the said locking-bolt and a pin to press on the said locking-lever to move the latter out of line with the lockingbolt, substantially as shown and described.

8. In a combination-lock and alarm, the combination, with a locking-bolt, of a locking-lever adapted to lock with one end the said bolt in place, a disk mounted to turn, a ring held on the said disk and provided with said locking-lever to disengage the latter from the locked bolt, a shaft carrying the said disk and mounted to slide and to turn, a graduated disk held on the said shaft, and means, substantially as described, for changing the position of the said ring on the said disk,as set forth.

9. In a combination-lock and alarm, the combination,with a locking-lever,of a spring adapted to be engaged at its free end by the adapted to be engaged at its free end by the said locking-lever and provided with a bent end, a plate on which said spring is secured, a second plate adapted to be engaged by the said bent end of the said spring, two 'springpressed plungers adapted to engage the said plates, and two guides in which are mounted to slide the said spring-pressed plungers, said guides being connected with the wires of the electric alarm, substantially as shown and described.

11. In a combination-lock and alarm, the combination, with a casing provided with a fixed pin, of a shaft mounted to turn and to slide in the saidcasi-ng, and an apertured disk secured on the said shaft and adapted toengage. with its apertures the said fixed pin,substantially as shown and described. I

.12. In a combination-lock and alarm, the combination, with a casing provided with a fixed pin, of a shaft mounted to turn and to slide in the said casing, an apertured disk secured on the said shaft and adapted to engage with its apertures the said fixed pin, a 5 

